[INFO] fetching crate rusty-todo-md 1.6.0...
[INFO] checking rusty-todo-md-1.6.0 against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896
[INFO] extracting crate rusty-todo-md 1.6.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rusty-todo-md 1.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rusty-todo-md 1.6.0
[INFO] tweaked toml for crates.io crate rusty-todo-md 1.6.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty-todo-md 1.6.0 on toolchain e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rusty-todo-md 1.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e40f03a891fe87dffb295f4ca2b8d02aeeb65dc2ac9f0d872fe6c8d56dcbc823
[INFO] running `Command { std: "docker" "start" "-a" "e40f03a891fe87dffb295f4ca2b8d02aeeb65dc2ac9f0d872fe6c8d56dcbc823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e40f03a891fe87dffb295f4ca2b8d02aeeb65dc2ac9f0d872fe6c8d56dcbc823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e40f03a891fe87dffb295f4ca2b8d02aeeb65dc2ac9f0d872fe6c8d56dcbc823", kill_on_drop: false }`
[INFO] [stdout] e40f03a891fe87dffb295f4ca2b8d02aeeb65dc2ac9f0d872fe6c8d56dcbc823
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9f4009a71d48d7b9469b2d79e0b9936a301b1060443c684bbbe8de18e4c71a0
[INFO] running `Command { std: "docker" "start" "-a" "e9f4009a71d48d7b9469b2d79e0b9936a301b1060443c684bbbe8de18e4c71a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]     Checking clap_lex v0.7.5
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking clap_builder v4.5.42
[INFO] [stderr]     Checking iri-string v0.7.8
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling camino v1.1.10
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]     Checking gzip-header v1.0.0
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking jiff v0.2.15
[INFO] [stderr]     Checking twox-hash v2.1.1
[INFO] [stderr]     Checking unicode-xid v0.2.6
[INFO] [stderr]    Compiling llvm_profparser v0.8.3
[INFO] [stderr]    Compiling procfs v0.17.0
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]    Compiling cc v1.2.31
[INFO] [stderr]    Compiling object v0.37.2
[INFO] [stderr]     Checking predicates-core v1.0.9
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking float-cmp v0.10.0
[INFO] [stderr]     Checking ruzstd v0.8.1
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]    Compiling cargo-tarpaulin v0.32.8
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking termtree v0.5.1
[INFO] [stderr]     Checking procfs-core v0.17.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking humantime v2.2.0
[INFO] [stderr]    Compiling assert_cmd v2.0.17
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking predicates-tree v1.0.12
[INFO] [stderr]    Compiling openssl-src v300.5.1+3.5.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking gimli v0.32.0
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking quick-xml v0.37.5
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.26
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling libssh2-sys v0.3.1
[INFO] [stderr]    Compiling libgit2-sys v0.18.2+1.9.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=bcebb22733c1a4b9 -C extra-filename=-f9cb331781faf872 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-09040b10b620fa15.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bff949ffe258c67d.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e9f4009a71d48d7b9469b2d79e0b9936a301b1060443c684bbbe8de18e4c71a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9f4009a71d48d7b9469b2d79e0b9936a301b1060443c684bbbe8de18e4c71a0", kill_on_drop: false }`
[INFO] [stdout] e9f4009a71d48d7b9469b2d79e0b9936a301b1060443c684bbbe8de18e4c71a0